document.write( "Question 507229: Find the slope and the y-intercept of each line whose equation is given.
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document.write( "y=-9/10x-5\r
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document.write( "Write a point-slope equation for the line with the given slope that contains the given point.
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document.write( "m= 7/2;(-3,4)\r
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Algebra.Com's Answer #340385 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! Find the slope and the y-intercept of each line whose equation is given. \n" ); document.write( "y=-9/10x-5\r \n" ); document.write( "\n" ); document.write( "Equation of the line \n" ); document.write( "y=mx+b \n" ); document.write( "Where m is slope of the of line b is y-intercept\r \n" ); document.write( "\n" ); document.write( "Given line equation \n" ); document.write( "y=-9/10x-5 \n" ); document.write( "arrange above equation \n" ); document.write( "y=(-9/10)x+(-5) \n" ); document.write( "Compare above equation with Equation of the line \n" ); document.write( "we have \n" ); document.write( "Slope = m = -9/10 and Y-intercept = b=-5\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Write a point-slope equation for the line with the given slope that contains the given point. \n" ); document.write( "m= 7/2;(-3,4)\r \n" ); document.write( "\n" ); document.write( "Use point-slope form of Equation of the line which is \n" ); document.write( "m=(y2-y1) /(x2-x1) \n" ); document.write( "Put the given value \n" ); document.write( "7/2=(y-4)/(x-(-3)) \n" ); document.write( "7/2=(y-4)/(x+3) \n" ); document.write( "7(x+3)=2(y-4) \n" ); document.write( "7x+21=2y-8 \n" ); document.write( "7x=2y-8-21 \n" ); document.write( "7x=2y-29 \n" ); document.write( "-2y=-7x-29 \n" ); document.write( "Divide by -2 both sides \n" ); document.write( "-2y/-2=(-7x-29)/-2 \n" ); document.write( "y=-7x/-2 -29/-2 \n" ); document.write( "y=(7/2)x + 29/2 \n" ); document.write( "Above equation is required equation of the line\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |